Home / 22,399.11-30,913.62-14,464.40

Finding the Fourth Proportional to 22,399.11, 30,913.62 and 14,464.40

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Solution

The fourth proportional to 22,399.11, 30,913.62 and 14,464.40 is: 19,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399.11 : 30,913.62 = 14,464.40 : x
  2. Step 2: Convert to fraction form
    22,399.11/30,913.62 = 14,464.40/x
  3. Step 3: Cross multiply
    22,399.11x = 30,913.62 × 14,464.40
  4. Step 4: Simplify right side
    22,399.11x = 447,146,810.56
  5. Step 5: Solve for x
    x = 447,146,810.56/22,399.11
  6. Step 6: Final answer
    x = 19,962.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.